患者女,26岁,以3年前开始眼周、前额发际,继之耳后发生较多小丘疹,无自觉症状于1990年3月30日就诊。近1年来躯干、颈部、鼻周围、前臂亦发疹。皮损通常长至一定大小即不再增大,无破溃及自行消退史,无全身症状。无类似家族病史。体检:眼周,额部及与之相邻的头皮、双耳后和胸 The female patient, 26 years old, began her eye week and forehead hairline 3 years ago, followed by more small papules after the ear, and had no symptoms on March 30, 1990. In the past 1 year, rashes have also developed around the trunk, neck, around the nose, and on the forearms. The skin lesions usually grow to a certain size or no longer increase, no ulceration and history of spontaneous regression, no systemic symptoms. No similar family history. Physical examination: eye, forehead and adjacent scalp, binaural and chest